RANKING · 1990 CENSUS · 115 SHOWN OF 115

Largest by population, Missouri counties · 1990

The most populous Missouri counties as of the 1990 population estimates. This list covers the 115 counties in Missouri that qualify, ranked against each other statewide.

MissouriAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS –

01St. Louis County, MOMO993,529–

02Jackson County, MOMO633,232–

03St. Louis, MOMO396,685–

04St. Charles County, MOMO212,907–

05Greene County, MOMO207,949–

06Jefferson County, MOMO171,380–

07Clay County, MOMO153,411–

08Boone County, MOMO112,379–

09Jasper County, MOMO90,465–

10Buchanan County, MOMO83,083–

11Franklin County, MOMO80,603–

12Cass County, MOMO63,808–

13Cole County, MOMO63,579–

14Cape Girardeau County, MOMO61,633–

15Platte County, MOMO57,867–

16St. Francois County, MOMO48,904–

17Newton County, MOMO44,445–

18Johnson County, MOMO42,514–

19Pulaski County, MOMO41,307–

20Scott County, MOMO39,376–

21Butler County, MOMO38,765–

22Pettis County, MOMO35,437–

23Phelps County, MOMO35,248–

24Dunklin County, MOMO33,112–

25Callaway County, MOMO32,809–

26Christian County, MOMO32,644–

27Howell County, MOMO31,447–

28Lafayette County, MOMO31,107–

29Lawrence County, MOMO30,236–

30Stoddard County, MOMO28,895–

31Lincoln County, MOMO28,892–

32Marion County, MOMO27,682–

33Barry County, MOMO27,547–

34Camden County, MOMO27,495–

35Laclede County, MOMO27,158–

36Taney County, MOMO25,561–

37Adair County, MOMO24,577–

38Randolph County, MOMO24,370–

39Webster County, MOMO23,753–

40Audrain County, MOMO23,599–

41Saline County, MOMO23,523–

42Ray County, MOMO21,971–

43Pemiscot County, MOMO21,921–

44Polk County, MOMO21,826–

45Nodaway County, MOMO21,709–

46Texas County, MOMO21,476–

47New Madrid County, MOMO20,928–

48Miller County, MOMO20,700–

49Washington County, MOMO20,380–

50Henry County, MOMO20,044–

51Warren County, MOMO19,534–

52Crawford County, MOMO19,173–

53Stone County, MOMO19,078–

54Vernon County, MOMO19,041–

55McDonald County, MOMO16,938–

56Wright County, MOMO16,758–

57Perry County, MOMO16,648–

58Clinton County, MOMO16,595–

59Ste. Genevieve County, MOMO16,037–

60Pike County, MOMO15,969–

61Morgan County, MOMO15,574–

62Macon County, MOMO15,345–

63Bates County, MOMO15,025–

64Cooper County, MOMO14,835–

65Andrew County, MOMO14,632–

66Livingston County, MOMO14,592–

67Mississippi County, MOMO14,442–

68Gasconade County, MOMO14,006–

69Linn County, MOMO13,885–

70Benton County, MOMO13,859–

71Dent County, MOMO13,702–

72Dallas County, MOMO12,646–

73Ripley County, MOMO12,303–

74Moniteau County, MOMO12,298–

75Cedar County, MOMO12,093–

76Osage County, MOMO12,018–

77Douglas County, MOMO11,876–

78Wayne County, MOMO11,543–

79Montgomery County, MOMO11,355–

80Barton County, MOMO11,312–

81Madison County, MOMO11,127–

82Carroll County, MOMO10,748–

83Iron County, MOMO10,726–

84Bollinger County, MOMO10,619–

85Grundy County, MOMO10,536–

86Lewis County, MOMO10,233–

87DeKalb County, MOMO9,967–

88Howard County, MOMO9,631–

89Oregon County, MOMO9,470–

90Chariton County, MOMO9,202–

91Monroe County, MOMO9,104–

92Ozark County, MOMO8,598–

93Ralls County, MOMO8,476–

94Harrison County, MOMO8,469–

95St. Clair County, MOMO8,457–

96Caldwell County, MOMO8,380–

97Maries County, MOMO7,976–

98Daviess County, MOMO7,865–

99Shannon County, MOMO7,613–

100Clark County, MOMO7,547–

101Atchison County, MOMO7,457–

102Dade County, MOMO7,449–

103Hickory County, MOMO7,335–

104Shelby County, MOMO6,942–

105Gentry County, MOMO6,848–

106Reynolds County, MOMO6,661–

107Sullivan County, MOMO6,326–

108Holt County, MOMO6,034–

109Carter County, MOMO5,515–

110Putnam County, MOMO5,079–

111Scotland County, MOMO4,822–

112Knox County, MOMO4,482–

113Schuyler County, MOMO4,236–

114Mercer County, MOMO3,723–

115Worth County, MOMO2,440–

SHOWING 1–115 OF 115

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS